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Digital Electronics

Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

1
Either 0 & 1
None of these

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 25, 9 and 57 respectively
 -6, -6 and -6 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 8
Base 10
Base 16
Base 3

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 X-OR
 AND
 OR
 NOT

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Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 32
 1023
 129
 9

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Digital Electronics
Why generic array logic (GAL) device was invented ?

None of these
 Reprogrammable
 One-time programmable
 Mask programmable

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